package dome02;


class cerren{
    private static int count = 0;

//    public void add(){
//        synchronized(this){
//            count++;
//        }
//    }

    synchronized public void add(){
        count++;
    }

}

public class dome {
    private static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        Object locker = new Object();

        Thread t1 = new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                synchronized(locker){
                    count++;
                }
            }
        });

        Thread t2 = new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                synchronized(locker){
                    count++;
                }
            }
        });

        t1.start();
        t2.start();

        t1.join();
        t2.join();

        System.out.println(count);
    }
}
